Kai reveals that he has been following Damon and Bonnie, right before he announces that he wants to kill Damon just as Damon takes a drink of bourbon laced with vervain. Bonnie saves Damon by regaining her magic, and she and Damon capture Kai,The Vampire Diaries Season 7 who later admits that he faked the attempted killing of Damon to motivate Bonnie to regain her magic. Jeremy's latest fling Sarah disappears. In a diner, Tripp Fell stabs Enzo with a syringe filled with vervain, which Enzo shakes off, right before Stefan stakes him.The Vampire Diaries Seasons 1-7 DVD box set is hot on sale !